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<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <script src="echarts.js"></script>
    <script src="../../三段/jquery.js"></script>
    <script src="roma.js"></script>
  </head>
  <body>
    <!-- 为 ECharts 准备一个定义了宽高的 DOM -->
    <div id="main" style="width: 700px; height: 600px"></div>
    <button onclick="fun()">点击</button>
  </body>
  <script type="text/javascript">
    var data = [
      [
        [28604, 77, 17096869, 'Australia', 2018],
        [31163, 77.4, 27662440, 'Canada', 2018],
        [1516, 68, 1154605773, 'China', 2018],
        [13670, 74.7, 10582082, 'Cuba', 2018],
        [28599, 75, 4986705, 'Finland', 2018],
        [29476, 77.1, 56943299, 'France', 2018],
        [31476, 75.4, 78958237, 'Germany', 2018],
        [28666, 78.1, 254830, 'Iceland', 2018],
        [1777, 57.7, 870601776, 'India', 2018],
        [29550, 79.1, 122249285, 'Japan', 2018],
        [2076, 67.9, 20194354, 'North Korea', 2018],
        [12087, 72, 42972254, 'South Korea', 2018],
        [24021, 75.4, 3397534, 'New Zealand', 2018],
        [43296, 76.8, 4240375, 'Norway', 2018],
        [10088, 70.8, 38195258, 'Poland', 2018],
        [19349, 69.6, 147568552, 'Russia', 2018],
        [10670, 67.3, 53994605, 'Turkey', 2018],
        [26424, 75.7, 57110117, 'United Kingdom', 2018],
        [37062, 75.4, 252847810, 'United States', 2018],
      ],
      [
        [44056, 81.8, 23968973, 'Australia', 2015],
        [43294, 81.7, 35939927, 'Canada', 2015],
        [13334, 76.9, 1376048943, 'China', 2015],
        [21291, 78.5, 11389562, 'Cuba', 2015],
        [38923, 80.8, 5503457, 'Finland', 2015],
        [37599, 81.9, 64395345, 'France', 2015],
        [44053, 81.1, 80688545, 'Germany', 2015],
        [42182, 82.8, 329425, 'Iceland', 2015],
        [5903, 66.8, 1311050527, 'India', 2015],
        [36162, 83.5, 126573481, 'Japan', 2015],
        [1390, 71.4, 25155317, 'North Korea', 2015],
        [34644, 80.7, 50293439, 'South Korea', 2015],
        [34186, 80.6, 4528526, 'New Zealand', 2015],
        [64304, 81.6, 5210967, 'Norway', 2015],
        [24787, 77.3, 38611794, 'Poland', 2015],
        [23038, 73.13, 143456918, 'Russia', 2015],
        [19360, 76.5, 78665830, 'Turkey', 2015],
        [38225, 81.4, 64715810, 'United Kingdom', 2015],
        [53354, 79.1, 321773631, 'United States', 2015],
      ],
    ]

    option = {
      //图表背景色
      backgroundColor: {
        //径向 横向渐变
        type: 'radial',
        x: 0.3, //x轴位置
        y: 0.3, //y轴位置
        r: 0.8, //渐变的圆半径
        colorStops: [
          //渐变
          {
            offset: 0,
            color: '#f7f8fa',
          },
          {
            offset: 1,
            color: '#cdd0d5',
          },
        ],
      },
      grid: {
        //网格
        left: 10, //左边距离
        containLabel: true, //是否包含刻度标签(label)
        bottom: 10, //下边距离
        top: 10, //上边距离
        right: 30, //右边距离
      },
      xAxis: {
        //x轴
        splitLine: {
          //分隔线
          show: true, //是否显示
        },
      },
      yAxis: {
        //y轴
        splitLine: {
          //分隔线
          show: true, //是否显示
        },
        scale: true, //是否可以调整
      },
      series: [
        //系列列表
        {
          name: '1990', //系列名称
          data: data[0], //数据
          type: 'scatter', //图表类型
          symbolSize: function (data) {
            //气泡的大小
            // console.log(Math.sqrt(data[2]) / 5e2)
            return Math.sqrt(data[2]) / 5e2 //数据大小
            // return 59.01192340535936
          },
          emphasis: {
            //鼠标悬浮时
            focus: 'series', //聚焦类型
            label: {
              //标签
              show: true, //是否显示
              formatter: function (param) {
                //格式化
                return param.data[3] //返回数据
              },
              position: 'top', //位置
            },
          },
          itemStyle: {
            //图形样式
            shadowBlur: 10, //阴影模糊度
            shadowColor: 'rgba(120, 36, 50, 0.5)', //阴影颜色
            shadowOffsetY: 5, //阴影Y轴偏移
            color: {
              //图形颜色
              type: 'radial', //径向渐变
              x: 0.4, //x轴位置
              y: 0.3, //y轴位置
              r: 1, //渐变的圆半径
              colorStops: [
                //渐变颜色
                {
                  offset: 0, //颜色偏移
                  color: 'rgb(251, 118, 123)', //颜色
                },
                {
                  offset: 1,
                  color: 'rgb(204, 46, 72)',
                },
              ],
            },
          },
        },
        {
          name: '2015',
          data: data[1],
          type: 'scatter',
          symbolSize: function (data) {
            return Math.sqrt(data[2]) / 5e2
          },
          emphasis: {
            focus: 'series',
            label: {
              show: true,
              formatter: function (param) {
                return param.data[3]
              },
              position: 'bottom',
            },
          },
          itemStyle: {
            shadowBlur: 10,
            shadowColor: 'black',
            shadowOffsetY: 5,
            color: {
              type: 'radial',
              x: 0.4,
              y: 0.3,
              r: 1,
              colorStops: [
                {
                  offset: 0,
                  color: 'rgb(129, 227, 238)',
                },
                {
                  offset: 1,
                  color: 'rgb(25, 183, 207)',
                },
              ],
            },
          },
        },
      ],
    }
    var myChart = echarts.init(document.getElementById('main'))
    myChart.setOption(option)
    // // 基于准备好的dom，初始化echarts实例
    // var myChart = echarts.init(document.getElementById('main'), 'roma')

    // // 指定图表的配置项和数据
    // var option = {
    //   title: {
    //     text: 'ECharts 入门示例123456',
    //   },
    //   tooltip: {},
    //   legend: {
    //     data: ['销量'],
    //   },
    //   xAxis: {
    //     data: ['衬衫', '羊毛衫', '雪纺衫', '裤子', '高跟鞋', '袜子'],
    //   },
    //   yAxis: {},
    //   series: [
    //     {
    //       name: '销量',
    //       type: 'bar',
    //       data: [5, 20, 36, 10, 10, 20],
    //     },
    //   ],
    // }

    // // 使用刚指定的配置项和数据显示图表。
    // myChart.setOption(option)

    // function fun() {
    //   // $('#main').css({ width: '800px', height: '600px' })
    //   //   myChart.resize({ width: '800px', height: '600px' })
    //   myChart.dispose()
    //   myChart = echarts.init(document.getElementById('main'), 'dark')
    //   myChart.setOption(option)
    // }
    // window.onresize = function () {
    //   console.log(123)
    // }
  </script>
</html>
